598 pages; 12mo (7.5") 19 cm; Set of two small hardcovers, dark blue-black leather, gilt lettering and decor, all edges gilt, [xxx] + 257 + [xxxii] + 279 pages, 598 total pages, page-marker ribbon bound in and index in each vol. Eastern vol illustrated with hundreds of color glossy photos; Western vol with hundreds of b/w photos. ; 50th Anniversary Edition stated. Vol-1, Eastern Birds' Nests : 285 Species Found Breeding in the United States East of the Mississippi River, 1984. Vol-2, Western Birds' Nests : 520 Species Found Breeding in the United States West of the Mississippi River, 1986....View More...